#1 Antonio Valencia vs Marcos Alonso
Manchester United vice-captain Antonio Valencia has been a rock at the back and a big attacking threat going forward. But the Ecuadorian will come up against a fullback in Chelsea's Alonso who is as good defensively and more potent goal threat going forward.
The two wide players have been converted into fullbacks by their managers and have excelled in the position. Two of the best out an out wide players in the Premier League, it will be an intriguing battle between the two players.
Due to the style in which they are deployed, Valencia in a back four and Alonso a wide man in a back five, the players will need to be on their top game or one will get the better of the other. A fascinating contest is on the cards and it will be an engrossing contest and game to watch.